<template>
  <div class="container">
    <div class="app-container">
      <div class="left">
        <el-input
          v-model="queryParams.keyword"
          style="margin-bottom: 10px"
          type="text"
          prefix-icon="el-icon-search"
          size="small"
          placeholder="输入员工姓名全员搜索"
          @input="changeValue"
        />
        <!-- 树形组件 -->
        <el-tree
          ref="deptTree"
          node-key="id"
          :data="depts"
          :props="defaultProps"
          default-expand-all
          :expand-on-click-node="false"
          highlight-current
          @current-change="selectNode"
        />
      </div>
      <div class="right">
        <el-row class="opeate-tools" type="flex" justify="end">
          <el-button
            size="mini"
            type="primary"
            @click="$router.push('/employee/detail')"
            >添加员工</el-button
          >
          <el-button size="mini" @click="showExcelDialog = true"
            >excel导入</el-button
          >
          <el-button size="mini" @click="exportEmployee">excel导出</el-button>
        </el-row>
        <!-- 表格组件 -->
        <el-table :data="list">
          <el-table-column prop="staffPhoto" align="center" label="头像"
            ><template v-slot="{ row }">
              <el-avatar
                v-if="row.staffPhoto"
                :src="row.staffPhoto"
                :size="30"
              />
              <span v-else class="username">{{ row.username?.charAt(0) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="username" label="姓名" />
          <el-table-column prop="mobile" label="手机号" sortable />
          <el-table-column prop="workNumber" label="工号" sortable />
          <el-table-column prop="formOfEmployment" label="聘用形式">
            <template v-slot="{ row }">
              <span v-if="row.formOfEmployment === 1">正式</span>
              <span v-else-if="row.formOfEmployment === 2">非正式</span>
              <span v-else>无</span>
            </template>
          </el-table-column>
          <el-table-column prop="departmentName" label="部门" />
          <el-table-column prop="timeOfEntry" label="入职时间" sortable />
          <el-table-column label="操作" width="280px">
            <template v-slot="{ row }">
              <el-button
                size="mini"
                type="text"
                @click="$router.push(`/employee/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button size="mini" type="text" @click="btnRole(row.id)"
                >角色</el-button
              >
              <el-popconfirm
                title="确认删除该行数据吗？"
                @onConfirm="confirmDel(row.id)"
              >
                <el-button
                  slot="reference"
                  style="margin-left: 10px"
                  size="mini"
                  type="text"
                  >删除</el-button
                >
              </el-popconfirm>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-row style="height: 60px" align="middle" type="flex" justify="end">
          <el-pagination
            layout="total,prev, pager, next"
            :total="total"
            :current-page="queryParams.page"
            :page-size="queryParams.pagesize"
            @current-change="changePage"
          />
        </el-row>
      </div>
    </div>
    <import-excel
      :show-excel-dialog.sync="showExcelDialog"
      @uploadSuccess="getEmployeeList"
    />

    <el-dialog :visible.sync="showRoleDialog" title="分配角色">
      <!-- 弹层内容 -->
      <!-- checkbox -->
      <el-checkbox-group v-model="roleIds">
        <!-- 放置n个的checkbox  要执行checkbox的存储值 item.id-->
        <el-checkbox v-for="item in roleList" :key="item.id" :label="item.id">{{
          item.name
        }}</el-checkbox>
      </el-checkbox-group>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button type="primary" size="mini" @click="btnRoleOK"
            >确定</el-button
          >
          <el-button size="mini" @click="showRoleDialog = false"
            >取消</el-button
          >
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { getDepartment } from "@/api/department";
import {
  getEmployeeList,
  exportEmployee,
  delEmployee,
  getEnableRoleList,
  getEmployeeDetail,
  assignRole,
} from "@/api/employee";
import { transListToTreeData } from "@/utils";
import FileSaver from "file-saver";
import ImportExcel from "./components/import-excel.vue";
export default {
  name: "Employee",
  components: { ImportExcel },
  data() {
    return {
      showRoleDialog: false, // 用来控制角色弹层的显示
      currentUserId:"", // 记录当前点击的用户id
      roleList: [], // 接收角色列表
      roleIds: [], // 用来双向绑定数据的
      showExcelDialog: false, // 控制excel的弹层显示和隐藏
      list: [],
      queryParams: {
        departmentId: null,
        keyword: "", // 模糊搜索字段
        page: 1, // 当前页码
        pagesize: 10,
      },
      total: 0, // 记录员工的总数
      depts: [], // 组织数据
      defaultProps: {
        label: "name",
        children: "children",
      },
    };
  },
  created() {
    this.getDepartment();
  },
  methods: {
    // 删除员工方法
    async confirmDel(id) {
      await delEmployee(id);
      if (this.list.length === 1 && this.queryParams.page > 1)
        this.queryParams.page--;
      this.getEmployeeList();
      this.$message.success("删除员工成功");
    },
    async exportEmployee() {
      const result = await exportEmployee(); // 导出所有的员工接口
      console.log(result); // 使用一个npm包 直接将blob文件下载到本地 file-saver
      // FileSaver.saveAs(blob对象,文件名称)
      FileSaver.saveAs(result, "员工信息表.xlsx"); // 下载文件
    },
    selectNode(node) {
      this.queryParams.departmentId = node.id;
      this.queryParams.page = 1; // 设置第一页
      this.getEmployeeList();
    },
    async getDepartment() {
      // 递归方法 将列表转化成树形
      // let result = await getDepartment()
      this.depts = transListToTreeData(await getDepartment(), 0);
      this.queryParams.departmentId = this.depts[0].id;
      // 设置选中节点
      // 树组件渲染是异步的 等到更新完毕
      this.$nextTick(() => {
        // 此时意味着树渲染完毕
        this.$refs.deptTree.setCurrentKey(this.queryParams.departmentId);
      });
      this.getEmployeeList();
    },
    async getEmployeeList() {
      await getEmployeeList(this.queryParams).then((res) => {
        this.list = res.rows;
        this.total = res.total;
      });
    },
    // 切换页码
    changePage(newPage) {
      this.queryParams.page = newPage; // 赋值新页码
      this.getEmployeeList(); // 查询数据
    },
    changeValue() {
      // 单位时间内只执行最后一次
      // this的实例上赋值了一个timer的属性
      clearTimeout(this.timer); // 清理上一次的定时器
      this.timer = setTimeout(() => {
        this.queryParams.page = 1;
        this.getEmployeeList();
      }, 300);
    },
    // 点击角色按钮弹出层
    async btnRole(id) {
      this.roleList = await getEnableRoleList();
      // 记录当前点击的id 因为后边 确定取消要存取给对应的用户
      this.currentUserId = id
      const { roleIds } = await getEmployeeDetail(id);
      this.roleIds = roleIds;
      this.showRoleDialog = true; // 调整顺序
    },
    // 点击角色的确定
    async btnRoleOK() {
      await assignRole({
        id: this.currentUserId,
        roleIds: this.roleIds,
      });
      this.$message.success("分配用户角色成功");
      this.showRoleDialog = false;
    },
  },
};
</script>

<style lang="scss" scoped>
.app-container {
  background: #fff;
  display: flex;
  .left {
    width: 280px;
    padding: 20px;
    border-right: 1px solid #eaeef4;
  }
  .right {
    flex: 1;
    padding: 20px;
    .opeate-tools {
      margin: 10px;
    }
    // .username {
    //   height: 30px;
    //   width: 30px;
    //   line-height: 30px;
    //   text-align: center;
    //   border-radius: 50%;
    //   color: #fff;
    //   background: #04C9BE;
    //   font-size: 12px;
    //   display:inline-block;
    // }
  }
}
</style>